TK Telekom (formerly Telekomunikacja Kolejowa) is a Polish telecommunications company, operated jointly by Netia and the PKP Group.

It is responsible for telecommunications and data transmission for the Polish railways and also serves a number of other companies outside the PKP Group and individual clients.

Because of the nature of the services it provides, TK Telekom has been designated by Poland as a company of special strategic interest.

In 2015, Polish telecommunications company Netia acquired 100% of the share capital of TK Telekom.

[1][2] The company was founded in 2001 following the division of the national rail operator Polskie Koleje Państwowe into several dozen separate companies in order to satisfy European Union requirements.